Global Leader In
Total Plant Design (TPD™)

40+ Years Experience

DGA is renowned for designing, developing and constructing a wide range of combustion equipment, boilers and biomass power plants across the globe and is regarded as an authority on high-efficiency, eco-friendly energy generation systems.

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International Partners

DGA has formed a community of leading edge energy technology providers which contribute to their projects based on their individual requirements. This unique collaboration ensures that every DGA solution includes world-best innovation.

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Who we are

David Gardner - DGA Thailand

Gardner DGA Thailand

David Hall - DGA Australia

Hall DGA Australia

Worldwide Experience

DGA's portfolio includes small and large-scale oil, gas, coal, steam, biomass and waste fired projects throughout Europe, Asia, North America and Australia.

End-To-End Solution

DGA manages every phase of the project: stakeholders and suppliers, plant design, manufacturing of specialist equipment, construction, control systems, fuel storage, test firing and commissioning. We call this Total Plant Design™.

Industry Expert

DGA is led by principal, David Gardner, a world renowned energy technology engineer with international experience. He has been at the forefront of oil, gas, steam and solid fuel combustion for power plants for over 30 years.

Onshore Collaboration

DGA partners with onshore companies in the host country of each project. They provide the complementary construction and engineering-procurement- construction (EPC) services.


With a comprehensive understanding of all best-of-breed power generation technologies and extensive global resources, DGA has the capabilities to create bespoke solutions to suit every thermal energy requirement.

Why you should work with DGA


We pioneered the highly efficient DGA Vibrating Grate System (VGS), DGA Secondary Air System and DGA Modular Bag Filter, and deliver superior performance in biomass and EfW/WtE plants.

Rankine Cycle Connection

DGA offers alternative clean energy solutions which have been proven over the past century - steam power generation and energy from thermal oil heaters based on the Rankine Cycle.

Proven & Sustainable

We specialise in proven and sustainable energy production processes: Energy from Waste (EfW) - or Waste to Energy (WtE) - using refused derived fuel (RDF) or biomass, eco biomass plants which accept a wide variety of fuel types, WtE heaters, oil-gas-steam boilers and BFB plants.

For more information about world class
eco-friendly technology

Contact Us